Discussion Topic

I have this installation pictured below of a tankless water heater. It’s a Rinnai Model R75-LSe. The manufacturers installation instructions say. “Heat trace ALL water pipe and fittings located outside home (attic, crawl space) or building structure.”Has anybody else seen pipes left exposed like this ? I think this is wrong. Does everybody else agree ?

I have had some complaints from pool contractors saying that some jurisdictions fail their grids if they are not supported being that structural steel should not be in contact with dirt. They also tell me that sometimes they fail becuase it is supported and the code technically says “…under the paved…”

The 2006 IRC (section 314) has been almost entirely re-written on foam plastic. I have been having issues where builders are not only told this is acceptable, but are recommended to do it for the 2006 Energy Code. I will not say who, but they teach lots of energy classes. In some cases this is where the builder has a 2×4 studed attic knee-wall and instead of making it a 2×6 wall he uses R13 and 2 layers of R3 Foam Plastic which bring s it to the Required R18.